Senate control forecast
Democratic control
…
Republican control
…
All 100 seats
Not up · D
51 for control
Not up · R
Seat outcomes
Democratic control
Republican control
Democratic seats
2026 Senate map
Choose a stateSelect the map or a race
Race detailsthe selected state
…
Choose a state
Select a state to see its forecast.
…modeled margin
Democratic win chance…
- Polls
- …
- Polling margin
- …
- Model adjustment
- …
- Likely range
- …
How this margin was built
Backtesting2018–2024 Senate races
By election
| Year | Called | Brier | Avg miss |
|---|